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Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
240 AM MDT Wed Jul 17 2024

IDZ427-180300-
/O.NEW.KPIH.FW.W.0008.240717T1800Z-240718T0300Z/
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
240 AM MDT Wed Jul 17 2024

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONE 427...

The National Weather Service in Pocatello has issued a Red Flag
Warning for scattered thunderstorms, which is in effect from noon
today to 9 PM MDT this evening.

* AFFECTED AREA...Fire Weather Zone 427 Goose Creek and Raft
  River Valley/Southern Sawtooth NF/Twin Falls BLM south of the
  Snake River.

* IMPACTS...Isolated to scattered thunderstorms will develop this
  afternoon. Besides gusty and erratic winds near thunderstorms,
  frequent lightning can increase wildfire starts.

* THUNDERSTORMS...25 to 35 percent coverage expected.

* OUTFLOW WINDS...Up to 50 MPH possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:

- Thunderstorm coverage of 25 percent, without specific rainfall
  criteria.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
1202 AM MDT Wed Jul 17 2024

...SCATTERED THUNDERSTORMS THROUGH THIS EVENING FOR ZONE 636, AND
WEDNESDAY AFTERNOON AND EARLY EVENING FOR ZONE 426...

IDZ426-171415-
/O.CON.KBOI.FW.W.0007.240717T1800Z-240718T0300Z/
Southern Highlands-
1202 AM MDT Wed Jul 17 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE
WEATHER ZONE 426...

* Thunderstorms...Scattered coverage with little rainfall
  expected.

* Outflow Winds...Up to 60 mph possible.

* Timing...From noon today to 9 PM MDT this evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will occur shortly.

&&

$$


Excessive Heat Watch


URGENT - WEATHER MESSAGE
National Weather Service Boise ID
728 AM MDT Wed Jul 17 2024

IDZ012-014-016-030-033-ORZ063-064-172100-
/O.CON.KBOI.EH.A.0002.240718T1800Z-240724T0600Z/
Lower Treasure Valley ID-Upper Treasure Valley-
Western Magic Valley-Southern Twin Falls County-
Upper Weiser River-Malheur County-Oregon Lower Treasure Valley-
728 AM MDT Wed Jul 17 2024 /628 AM PDT Wed Jul 17 2024/

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH TUESDAY EVENING...

* WHAT...Dangerously hot conditions with high temperatures up to
  110 possible at low elevations. Hottest days Sunday and Monday.

* WHERE...Portions of south central, southwest and west central
  Idaho and southeast Oregon.

* WHEN...From Thursday afternoon through Tuesday evening.

* IMPACTS...Extreme heat will significantly increase the potential
  for heat related illnesses, particularly for those working or
  participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Be prepared to drink plenty of fluids, stay in an air-
conditioned room, stay out of the sun, and check up on relatives
and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
133 AM MDT Wed Jul 17 2024

UTZ123-124-180000-
/O.NEW.KSLC.EH.A.0006.240720T1700Z-240722T0400Z/
Lower Washington County-Zion National Park-
Including the cities of St George, Springdale, Hurricane, and
Ivins
133 AM MDT Wed Jul 17 2024

...EXCESSIVE HEAT WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY EVENING...

* WHAT...Dangerously hot conditions with temperatures up to 111
  possible. Overnight relief will be very limited with lows in the
  low 80s.

* WHERE...Lower Washington County and Zion National Park.

* WHEN...From Saturday morning through Sunday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Monitor the latest forecasts and warnings for updates.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/saltlakecity.

For information on potential travel impacts visit...
http://udottraffic.utah.gov

JAC


Air Quality Alert


IDC001-003-015-027-039-045-073-075-085-087-172100-
Ada-Adams-Boise-Canyon-Elmore-Gem-Owyhee-Payette-Valley-Washington-
610 PM MDT Tue Jul 16 2024

...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette,
Valley, and Washington Counties...

* WHAT...Air Quality Advisory because of poor air quality.

Air Quality Index is forecast to be Unhealthy for Sensitive Groups.

* WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette,
Valley, and Washington Counties.

* WHEN....AIR QUALITY ALERT IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM
  MDT WEDNESDAY.

* IMPACTS...Some members of the public may experience health effects;
  members of sensitive groups may experience more serious health
  effects.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.

THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ`s
 Boise Regional Office at (208) 373-0550

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
322 AM MDT Wed Jul 17 2024

WYZ001>020-022>030-181330-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
322 AM MDT Wed Jul 17 2024

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Scattered showers and thunderstorms across central and northern WY
this afternoon and evening. Brief heavy downpours and strong outflows
of 40+ mph are the main concerns with the stronger storms that
develop.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday through Saturday...Daily chances for afternoon showers and
thunderstorms through much of the week. Strong storms will bring a
continued gusty outflow wind threat.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

Hazardous Weather Outlook
National Weather Service Grand Junction CO
309 AM MDT Wed Jul 17 2024

COZ001>014-017>023-UTZ022>025-027>029-180915-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
309 AM MDT Wed Jul 17 2024

This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.

.DAY ONE...Today and tonight.

Expect showers and thunderstorms to redevelop over higher terrain
from late morning to early afternoon today. The main threat from
this activity is lightning, strong outflow winds and small hail.
This activity will continue into the late evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

There is a chance for afternoon showers and thunderstorms in the
mountains each day through the coming week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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